CN111244363A - Lithium ion battery diaphragm, preparation system and preparation method - Google Patents
Lithium ion battery diaphragm, preparation system and preparation method Download PDFInfo
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- CN111244363A CN111244363A CN202010053698.9A CN202010053698A CN111244363A CN 111244363 A CN111244363 A CN 111244363A CN 202010053698 A CN202010053698 A CN 202010053698A CN 111244363 A CN111244363 A CN 111244363A
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- fixedly connected
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- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 84
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims abstract description 5
- 229920002678 cellulose Polymers 0.000 claims abstract description 5
- 239000001913 cellulose Substances 0.000 claims abstract description 5
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 5
- 239000000057 synthetic resin Substances 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the field of lithium battery processing, in particular to a lithium ion battery diaphragm, a preparation system and a preparation method, wherein the preparation method comprises the following steps: firstly, intermittently passing a diaphragm to be stretched through a base and a longitudinal extrusion adjusting seat; the longitudinal and transverse stretching driver is electrically connected to drive the two diaphragm extrusion fixing devices to slide on the operation upper fixing seat so as to extrude and fix the diaphragm through the diaphragm at the inlet and the outlet of the base; finally, the longitudinal and transverse stretching driver synchronously stretches the diaphragm transversely and longitudinally through the base and the diaphragm in the longitudinal extrusion adjusting seat, the longitudinal and transverse stretching driver lifts up the two diaphragm extrusion fixing devices after stretching and bending, and intermittently adds the battery diaphragm, and the process is repeated; a lithium ion battery diaphragm is made of 50% of cellulose and 50% of synthetic resin.
Description
Technical Field
The invention belongs to the field of lithium battery processing, and particularly relates to a lithium ion battery diaphragm, a preparation system and a preparation method.
Background
Patent No. CN201110252082.5 discloses a device, which comprises a longitudinal stretching device and a transverse stretching device, wherein the longitudinal stretching device and the transverse stretching device run synchronously; the longitudinal stretching equipment comprises a guide rail and a plurality of longitudinal stretching clamping devices, the guide rail is arranged on the side face of the track of the transverse stretching equipment, the longitudinal stretching clamping devices are arranged on the guide rail, and the longitudinal stretching clamping devices do shrinkage stretching movement on the guide rail. The longitudinal stretching clamping device comprises a plurality of clamping pieces used for clamping the diaphragm, each clamping piece is connected with one supporting arm, two adjacent supporting arms are connected through one intermediate connecting arm, the intermediate connecting arm is in pivot connection with the two connected supporting arms respectively, and the technical problem that in the prior art, the cost of the diaphragm is increased due to the fact that the thickness and the thickness of the diaphragm of the lithium ion battery are uneven is solved. This device, however, does not automatically provide simultaneous longitudinal and transverse stretching of the battery separator.
Disclosure of Invention
The invention aims to provide a lithium ion battery diaphragm, a preparation system and a preparation method thereof, which have the advantages that the battery diaphragm can be automatically and synchronously stretched longitudinally and transversely, the stretching effect is uniform, and the stretching speed is high; the length and effect of the stretching can be adjusted by different battery diaphragms.
The purpose of the invention is realized by the following technical scheme:
the invention aims to provide a lithium ion battery diaphragm preparation system, which comprises a diaphragm passing base, a longitudinal extrusion adjusting seat, an upper operation fixing seat, a limiting sliding seat, a longitudinal and transverse stretching driver and two diaphragm extrusion fixing devices, wherein the longitudinal extrusion adjusting seat is connected to the two ends of the diaphragm passing base through threaded fit, the upper operation fixing seat is fixedly connected to the upper end of the diaphragm passing base, the limiting sliding seat is connected to the front end and the rear end of the upper operation fixing seat through threaded fit, the longitudinal and transverse stretching driver is fixedly connected to the upper operation fixing seat, the longitudinal and transverse stretching driver is slidably connected in the limiting sliding seat, the lower end of the longitudinal and transverse stretching driver is slidably connected in the diaphragm passing base, the lower end of the longitudinal and transverse stretching driver is in clearance fit in the longitudinal extrusion adjusting seat, and the two diaphragm extrusion fixing devices are respectively slidably, both diaphragm squeeze holders are disposed on a cross-stretch driver.
As a further optimization of the invention, the diaphragm passing base comprises a bottom plate, two lower connecting plates, a diaphragm passing frame, two lower adjusting thread plates and two backing plates, two diaphragms pass through the groove, four spacing interior sliding chute, two interior clamping backing plates and interior clamping sliding chute, two lower connecting plate difference fixed connection are both sides around the bottom plate upper end, the diaphragm passes through frame fixed connection on two lower connecting plates, the diaphragm passes through two lower adjusting thread boards of both ends difference fixed connection of frame, the diaphragm passes through two backing plates of both ends difference fixed connection around the frame, two diaphragms that run through around both ends are provided with respectively around the diaphragm passes through the groove around passing through the frame, the both sides at both ends all are provided with spacing interior sliding chute around the diaphragm passes through the frame inner wall, two interior clamping backing plates are both ends around the diaphragm passes through the frame inner wall respectively fixed connection, the left and right sides of interior clamping backing plate upper end all is provided with interior clamping sliding chute.
As a further optimization of the invention, the longitudinal extrusion adjusting seat comprises two lower rotating seats, two lower adjusting threaded rods and a U-shaped baffle plate, the lower ends of the two lower adjusting threaded rods are respectively and rotatably connected to the two lower rotating seats, the two lower adjusting threaded rods are respectively and fixedly connected to the two lower adjusting threaded plates through thread fit, and the two ends of the U-shaped baffle plate are respectively and fixedly connected to the two lower rotating seats.
As a further optimization of the invention, the upper operating fixed seat comprises two upper sliding seats, two outer T-shaped sliding chutes, an upper operating frame and two upper fixed seats, slide round hole on two, two go up the screw hole, two interior T shape spouts, central fixed plate and motor fixing base, slide block fixed connection is both sides around the diaphragm passes through the frame upper end on two, the center of the outer wall of slide block on two all is provided with outer T shape spout, go up operation frame fixed connection on two slide block, two go up fixing base fixed connection both ends around last operation frame respectively, all be provided with slip round hole and last screw hole that run through from top to bottom on two last fixing base, the left and right sides of going up operation frame inner wall is provided with two interior T shape spouts respectively, central fixed plate fixed connection is at the middle-end of last operation frame inner wall, motor fixing base fixed connection is on central fixed plate.
As a further optimization of the invention, the limiting sliding seat comprises a left U-shaped sliding seat, a right U-shaped sliding seat, two connecting rotating plates, two upper adjusting screws, two longitudinal sliding plates, four U-shaped connecting rods, two inner T-shaped sliding seats, two inner fixed plates and two inner rectangular sliding grooves, the left U-shaped sliding seat and the right U-shaped sliding seat are connected through the two connecting rotating plates, the two connecting rotating plates are respectively and slidably connected into the two upper fixing seats, the two upper adjusting screws are respectively and rotatably connected onto the two connecting rotating plates, the two upper adjusting screws are respectively and threadably engaged in the two upper threaded holes, the two longitudinal sliding plates are respectively and longitudinally and slidably connected into the two inner T-shaped sliding grooves through the two inner T-shaped sliding seats, the two longitudinal sliding plates are respectively and fixedly connected with the left U-shaped sliding seat and the right U-shaped sliding seat through the four U-shaped connecting rods, the two inner fixed plates are respectively, the two inner rectangular sliding grooves are respectively arranged on the two inner fixing plates in an up-down penetrating manner.
As a further optimization of the invention, the longitudinal and transverse stretching driver comprises a servo motor, a driving plate, a driving shaft, a driving groove, a rear driving plate, a central driving plate, a front driving plate, a left sliding plate, a right sliding plate, a plurality of left sliding hinge rods, a plurality of right sliding hinge rods, a central sliding hinge shaft, two U-shaped anti-interference connecting plates, two shaft connecting plates, a longitudinal stretching shaft, a longitudinal stretching roller, two limiting transverse sliding plates and four extrusion stretching seats, wherein the servo motor is fixedly connected to a motor fixing seat, the driving plate is fixedly connected to a transmission shaft of the servo motor, the driving shaft is fixedly connected to one side of the driving plate, the driving shaft is slidably connected to the driving groove through a sliding block, the driving groove is arranged on the rear driving plate, the rear driving plate and the front driving plate are respectively and fixedly connected to the front end and the rear end of, the left sliding plate and the right sliding plate are respectively and longitudinally connected in two inner rectangular sliding grooves in a sliding mode, the upper ends of a plurality of left sliding hinge rods are hinged on the left sliding plate, the upper ends of a plurality of right sliding hinge rods are hinged on the right sliding plate, a plurality of right sliding hinge rods and a plurality of left sliding hinge rods are arranged in a staggered mode, a plurality of right sliding hinge rods and a plurality of left sliding hinge rods are respectively and slidably hinged on a central sliding hinge shaft, two U-shaped interference-proof connecting plates are respectively and fixedly connected on the left sliding plate and the right sliding plate, the left sliding plate and the right sliding plate are respectively and fixedly connected with two shaft connecting plates through two U-shaped interference-proof connecting plates, two ends of a longitudinal stretching shaft are respectively and fixedly connected with two shaft connecting plates, the longitudinal stretching roller is fixedly connected on the longitudinal stretching shaft, the longitudinal stretching roller is in a U-shaped baffle in a clearance fit mode, and the lower ends, the lower ends of the left sliding hinge rods are fixedly connected to the limiting transverse sliding plates on the right side, the two limiting transverse sliding plates are slidably connected to the sliding chutes in the limiting mode, the four extrusion stretching seats are fixedly connected to the two limiting transverse sliding plates respectively, and the four extrusion stretching seats are in clearance fit with the sliding chutes in the four clamping modes respectively.
As a further optimization of the invention, the diaphragm extrusion fixer comprises a supporting plate, a longitudinal sliding rod, an extrusion seat, a plurality of fixing bosses, a longitudinal T-shaped sliding seat and a compression spring, wherein one end of the supporting plate is arranged on the rear driving plate, the other end of the supporting plate is fixedly connected to the longitudinal sliding rod, the longitudinal sliding rod is slidably connected in a sliding round hole, the lower end of the longitudinal sliding rod is fixedly connected to the extrusion seat, the fixing bosses are fixedly connected to the lower end of the extrusion seat, the extrusion seat is slidably connected in the outer T-shaped sliding groove through the longitudinal T-shaped sliding seat, the compression spring is sleeved on the longitudinal sliding rod, and the compression spring is arranged between the extrusion seat and the upper fixing seat.
As a further refinement of the invention, the compression spring is in a compressed state.
A preparation method of a lithium ion battery diaphragm is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: firstly, intermittently passing a diaphragm to be stretched through a base and a longitudinal extrusion adjusting seat;
step two: the longitudinal and transverse stretching driver is electrically connected to drive the two diaphragm extrusion fixing devices to slide on the operation upper fixing seat so as to extrude and fix the diaphragm through the diaphragm at the inlet and the outlet of the base; (ii) a
Step three: and finally, the longitudinal and transverse stretching driver synchronously stretches the diaphragm transversely and longitudinally through the base and the diaphragm in the longitudinal extrusion adjusting seat, the longitudinal and transverse stretching driver lifts up the two diaphragm extrusion fixing devices after stretching and bending, and the battery diaphragm is intermittently added, so that the process is repeated.
A lithium ion battery diaphragm is made of 50% of cellulose and 50% of synthetic resin.
Compared with the prior art, the technical scheme provided by the invention has the advantages that the diaphragm can be automatically stretched longitudinally and transversely synchronously through the base, the longitudinal extrusion adjusting seat, the upper operation fixing seat, the limiting sliding seat, the longitudinal and transverse stretching driver and the two diaphragm extrusion fixing devices, the stretching effect is uniform, and the stretching speed is high; the length and effect of the stretching can be adjusted by different battery diaphragms.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a schematic view of the diaphragm of the present invention passing through a base;
FIG. 4 is a schematic view of the longitudinal extrusion adjustment block of the present invention;
FIG. 5 is a schematic structural view of the operatively upper mount of the present invention;
FIG. 6 is a schematic structural view of a limit slide mount of the present invention;
FIG. 7 is a first schematic view of the configuration of the cross-bar stretch driver of the present invention;
FIG. 8 is a second schematic structural view of the cross-bar stretch driver of the present invention;
FIG. 9 is a schematic diagram of the configuration of the cross-bar stretch driver of the present invention;
fig. 10 is a schematic view of the structure of the diaphragm pressing fixture of the present invention.
In the figure: the diaphragm passes through the base 1; a bottom plate 1-1; a lower connecting plate 1-2; the diaphragm passes through frames 1-3; lower adjusting thread plates 1-4; 1-5 of a base plate; the diaphragm passes through the grooves 1-6; limiting inner sliding chutes 1-7; 1-8 parts of an inner clamping base plate; 1-9 of an inner clamping sliding groove; a longitudinal extrusion adjusting seat 2; a lower rotating base 2-1; adjusting the threaded rod 2-2 downwards; 2-3 of a U-shaped baffle plate; operating the upper fixed seat 3; an upper sliding seat 3-1; an outer T-shaped chute 3-2; an upper operation box 3-3; 3-4 of an upper fixed seat; 3-5 of an upper sliding round hole; 3-6 parts of an upper threaded hole; 3-7 of an inner T-shaped chute; 3-8 parts of a central fixing plate; 3-9 parts of a motor fixing seat; a limiting sliding seat 4; a left U-shaped sliding seat 4-1; a right U-shaped sliding seat 4-2; connecting the rotating plate 4-3; 4-4 parts of an upper adjusting screw; 4-5 of a longitudinal sliding plate; 4-6 of a U-shaped connecting rod; an inner T-shaped slide carriage 4-7; 4-8 parts of an inner fixing plate; 4-9 parts of inner rectangular sliding groove; a longitudinal and lateral stretching driver 5; a servo motor 5-1; a drive plate 5-2; a drive shaft 5-3; 5-4 of a driving groove; a rear drive plate 5-5; a central drive plate 5-6; a front driving plate 5-7; 5-8 parts of a left sliding plate; 5-9 parts of a right sliding plate; 5-10 parts of a left sliding hinge rod; a right sliding hinge rod 5-11; a central sliding articulated shaft 5-12 and a U-shaped interference-proof connecting plate 5-13; shaft connecting plates 5-14; 5-15 of longitudinal stretching shaft; 5-16 of longitudinal stretching rollers; limiting transverse sliding plates 5-17; 5-18 parts of an extrusion drawing seat; a diaphragm pressing holder 6; 6-1 of a supporting plate; a longitudinal slide bar 6-2; 6-3 of an extrusion seat; 6-4 of a fixed boss; a longitudinal T-shaped sliding seat 6-5; compressing the spring 6-6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The fixed connection in the device can be fixed by welding, thread fixing and the like, the rotary connection can be realized by baking the bearing on a shaft, a spring retainer groove or an inter-shaft baffle is arranged on the shaft or a shaft hole, the axial fixation of the bearing is realized by clamping an elastic retainer ring in the spring retainer groove or the inter-shaft baffle, and the rotation is realized by the relative sliding of the bearing; different connection modes are used in combination with different use environments.
The first embodiment is as follows:
as shown in fig. 1 to 10, a lithium ion battery diaphragm preparation system comprises a diaphragm passing base 1, a longitudinal extrusion adjusting base 2, an operational upper fixing base 3, a limiting sliding base 4, a longitudinal and transverse stretching driver 5 and two diaphragm extrusion fixing devices 6, wherein the longitudinal extrusion adjusting base 2 is connected to two ends of the diaphragm passing base 1 through screw-thread fit, the operational upper fixing base 3 is fixedly connected to the upper end of the diaphragm passing base 1, the limiting sliding base 4 is connected to the front and rear ends of the operational upper fixing base 3 through screw-thread fit, the longitudinal and transverse stretching driver 5 is fixedly connected to the operational upper fixing base 3, the longitudinal and transverse stretching driver 5 is slidably connected in the limiting sliding base 4, the lower end of the longitudinal and transverse stretching driver 5 is slidably connected in the diaphragm passing base 1, the lower end of the longitudinal and transverse stretching driver 5 is in the longitudinal extrusion adjusting base 2 through clearance fit, and the two diaphragm extrusion fixing devices 6 are respectively slidably, both diaphragm compression anchors 6 are provided on the cross-stretch driver 5. Firstly, intermittently passing a diaphragm to be stretched through a base 1 and a longitudinal extrusion adjusting seat 2; the longitudinal and transverse stretching driver 5 is electrically connected to drive the two diaphragm extrusion fixing devices 6 to slide on the operation upper fixing seat 3 so as to extrude and fix the diaphragm through the diaphragm at the inlet and the outlet of the base 1; and finally, the longitudinal and transverse stretching driver 5 synchronously stretches the diaphragm in the base 1 and the longitudinal extrusion adjusting seat 2 in the transverse and longitudinal directions, after stretching and bending, the longitudinal and transverse stretching driver 5 lifts up and then lifts up the two diaphragm extrusion fixing devices 6, and then the battery diaphragm is added intermittently, and the process is repeated. The battery diaphragm can be automatically and synchronously stretched longitudinally and transversely, the stretching effect is uniform, and the stretching speed is high; the length and effect of the stretching can be adjusted by different battery diaphragms.
A lithium ion battery diaphragm is made of 50% of cellulose and 50% of synthetic resin.
The second embodiment is as follows:
as shown in figures 1 to 10, the first embodiment is further explained in the present embodiment, the diaphragm passing base 1 comprises a bottom plate 1-1, two lower connecting plates 1-2, a diaphragm passing frame 1-3, two lower adjusting thread plates 1-4, two backing plates 1-5, two diaphragm passing grooves 1-6, four limiting inner sliding chutes 1-7, two inner clamping backing plates 1-8 and inner clamping sliding grooves 1-9, the two lower connecting plates 1-2 are respectively and fixedly connected to the front and rear sides of the upper end of the bottom plate 1-1, the diaphragm is fixedly connected to the two lower connecting plates 1-2 through the frame 1-3, the two lower adjusting thread plates 1-4 are respectively and fixedly connected to the two ends of the diaphragm passing frame 1-3, the two backing plates 1-5 are respectively and fixedly connected to the front and rear ends of the diaphragm passing frame 1-3, the diaphragm passing frame comprises a frame 1-3, wherein the front end and the rear end of the diaphragm passing frame are respectively provided with two diaphragm passing grooves 1-6 which are penetrated through from front to back, the two sides of the front end and the rear end of the inner wall of the diaphragm passing frame 1-3 are respectively provided with a limiting inner sliding chute 1-7, two inner clamping backing plates 1-8 are respectively fixedly connected with the front end and the rear end of the inner wall of the diaphragm passing frame 1-3, and the left side and the right side of the upper ends of the inner clamping backing plates 1-8 are respectively. The diaphragm to be stretched passes through the front backing plate 1-5, the front diaphragm passing groove 1-6, the front inner clamping backing plate 1-8, the U-shaped baffle 2-3, the rear inner clamping backing plate 1-8, the rear diaphragm passing groove 1-6 and the rear backing plate 1-5 in sequence, and then intermittently passes through the feeding roller and the receiving roller.
The third concrete implementation mode:
as shown in fig. 1 to 10, in this embodiment, a second embodiment is further described, the longitudinal extrusion adjusting base 2 includes two lower rotating bases 2-1, two lower adjusting threaded rods 2-2 and a U-shaped baffle 2-3, the lower ends of the two lower adjusting threaded rods 2-2 are respectively rotatably connected to the two lower rotating bases 2-1, the two lower adjusting threaded rods 2-2 are respectively connected to the two lower adjusting threaded plates 1-4 through threaded engagement, and two ends of the U-shaped baffle 2-3 are respectively fixedly connected to the two lower rotating bases 2-1. The longitudinal positions of the two lower rotating bases 2-1 and the U-shaped baffle 2-3 are adjusted by rotating the two lower adjusting threaded rods 2-2, so that the lower rotating bases and the U-shaped baffle are matched for longitudinal adjustment and stretching to avoid interference.
The fourth concrete implementation mode:
as shown in fig. 1 to 10, the third embodiment is further explained in the present embodiment, the upper operating fixing base 3 includes two upper sliding bases 3-1, two outer T-shaped sliding slots 3-2, an upper operating frame 3-3, two upper fixing bases 3-4, two upper sliding circular holes 3-5, two upper threaded holes 3-6, two inner T-shaped sliding slots 3-7, a central fixing plate 3-8 and motor fixing bases 3-9, the two upper sliding bases 3-1 are respectively and fixedly connected to the front and rear sides of the upper end of the diaphragm passing frame 1-3, the outer T-shaped sliding slots 3-2 are respectively arranged at the centers of the outer walls of the two upper sliding bases 3-1, the upper operating frame 3-3 is fixedly connected to the two upper sliding bases 3-1, the two upper fixing bases 3-4 are respectively and fixedly connected to the front and rear ends of the upper operating frame 3-3, the two upper fixing seats 3-4 are respectively provided with a sliding round hole 3-5 and an upper threaded hole 3-6 which are vertically penetrated, the left side and the right side of the inner wall of the upper operating frame 3-3 are respectively provided with two inner T-shaped sliding grooves 3-7, a central fixing plate 3-8 is fixedly connected to the middle end of the inner wall of the upper operating frame 3-3, and a motor fixing seat 3-9 is fixedly connected to the central fixing plate 3-8.
The fifth concrete implementation mode:
as shown in FIGS. 1 to 10, the fourth embodiment is further explained in the present embodiment, the limiting sliding seat 4 includes a left U-shaped sliding seat 4-1, a right U-shaped sliding seat 4-2, two connecting rotating plates 4-3, two upper adjusting screws 4-4, two longitudinal sliding plates 4-5, four U-shaped connecting rods 4-6, two inner T-shaped sliding seats 4-7, two inner fixing plates 4-8 and two inner rectangular sliding grooves 4-9, the left U-shaped sliding seat 4-1 and the right U-shaped sliding seat 4-2 are connected by two connecting rotating plates 4-3, the two connecting rotating plates 4-3 are respectively slidably connected in the two upper fixing seats 3-4, the two upper adjusting screws 4-4 are respectively rotatably connected to the two connecting rotating plates 4-3, the two upper adjusting screws 4-4 are respectively connected in the two upper threaded holes 3-6 by thread fit, two longitudinal sliding plates 4-5 are respectively connected in two inner T-shaped sliding grooves 3-7 in a longitudinal sliding mode through two inner T-shaped sliding seats 4-7, the two longitudinal sliding plates 4-5 are respectively fixedly connected with a left U-shaped sliding seat 4-1 and a right U-shaped sliding seat 4-2 through four U-shaped connecting rods 4-6, two inner fixing plates 4-8 are respectively and fixedly connected in the two longitudinal sliding plates 4-5, and two inner rectangular sliding grooves 4-9 are respectively arranged on the two inner fixing plates 4-8 in a vertically penetrating mode. By rotating the two upper adjusting screws 4-4, the two connecting rotating plates 4-3 move up and down in the two upper fixing seats 3-4, so that the up-and-down displacement of the left U-shaped sliding seat 4-1 and the right U-shaped sliding seat 4-2 is adjusted, the positions of the two longitudinal sliding plates 4-5 are determined, and interference is avoided when longitudinal stretching is adjusted.
The sixth specific implementation mode:
as shown in fig. 1 to 10, in the fifth embodiment, further explaining the fifth embodiment, the longitudinal and transverse stretching driver 5 includes a servo motor 5-1, a driving plate 5-2, a driving shaft 5-3, a driving groove 5-4, a rear driving plate 5-5, a central driving plate 5-6, a front driving plate 5-7, a left sliding plate 5-8, a right sliding plate 5-9, a plurality of left sliding hinge rods 5-10, a plurality of right sliding hinge rods 5-11, a central sliding hinge shaft 5-12, two U-shaped interference-proof connecting plates 5-13, two shaft connecting plates 5-14, a longitudinal stretching shaft 5-15, a longitudinal stretching roller 5-16, two limiting transverse sliding plates 5-17 and four extrusion stretching seats 5-18, the servo motor 5-1 is fixedly connected to a motor fixing seat 3-9, a driving plate 5-2 is fixedly connected to a transmission shaft of a servo motor 5-1, a driving shaft 5-3 is fixedly connected to one side of the driving plate 5-2, the driving shaft 5-3 is slidably connected into a driving groove 5-4 through a sliding block, the driving groove 5-4 is arranged on a rear driving plate 5-5, the rear driving plate 5-5 and a front driving plate 5-7 are respectively fixedly connected to the front end and the rear end of a central driving plate 5-6, a left sliding plate 5-8 and a right sliding plate 5-9 are respectively fixedly connected to the left end and the right end of the central driving plate 5-6, a left sliding plate 5-8 and a right sliding plate 5-9 are respectively and longitudinally slidably connected into two inner rectangular sliding grooves 4-9, the upper ends of a plurality of left sliding hinge rods 5-10 are all hinged to the left sliding plate 5-8, the upper ends of a plurality of right sliding hinge, a plurality of right sliding hinge rods 5-11 and a plurality of left sliding hinge rods 5-10 are arranged in a staggered manner, the right sliding hinge rods 5-11 and the left sliding hinge rods 5-10 are all hinged on a central sliding hinge shaft 5-12 in a sliding manner, two U-shaped interference-proof connecting plates 5-13 are respectively and fixedly connected on a left sliding plate 5-8 and a right sliding plate 5-9, the left sliding plate 5-8 and the right sliding plate 5-9 are respectively and fixedly connected with two shaft connecting plates 5-14 through the two U-shaped interference-proof connecting plates 5-13, two ends of a longitudinal stretching shaft 5-15 are respectively and fixedly connected with the two shaft connecting plates 5-14, a longitudinal stretching roller 5-16 is fixedly connected on the longitudinal stretching shaft 5-15, the longitudinal stretching roller 5-16 is in a clearance fit in the U-shaped baffle 2-3, the lower ends of the right sliding hinge rods 5-11 are fixedly connected to the left limiting transverse sliding plates 5-17, the lower ends of the left sliding hinge rods 5-10 are fixedly connected to the right limiting transverse sliding plates 5-17, the two limiting transverse sliding plates 5-17 are slidably connected to the limiting inner sliding chutes 1-7, the four extrusion stretching seats 5-18 are fixedly connected to the two limiting transverse sliding plates 5-17 respectively, and the four extrusion stretching seats 5-18 are in clearance fit with the four inner clamping sliding chutes 1-9 respectively. The servo motor 5-1 is connected with electricity to drive the drive plate 5-2 and the drive shaft 5-3 to rotate, the rear drive plate 5-5 is reciprocated and displaced up and down by the sliding of the drive shaft 5-3 in the drive groove 5-4 and the limited longitudinal sliding of the left slide plate 5-8 and the right slide plate 5-9 in the two inner rectangular slide grooves 4-9, so as to drive the central drive plate 5-6, the front drive plate 5-7, the left slide plate 5-8 and the right slide plate 5-9 to reciprocate and displace up and down, so as to cause the left slide hinge rods 5-10 and the right slide hinge rods 5-11 to reciprocate and displace up and down, the left slide hinge rods 5-10 and the right slide hinge rods 5-11 are slidingly hinged by the central slide hinge shafts 5-12 and the two limited transverse sliding plates 5-17 are transversely limited and slidingly moved in the four inner clamping slide grooves 1-9, the left sliding hinged rods 5-10 and the right sliding hinged rods 5-11 push the two limiting transverse sliding plates 5-17 to simultaneously reciprocate inside and outside in the four inner clamping sliding grooves 1-9, so that the four extrusion and stretching seats 5-18 simultaneously reciprocate inside and outside; the four extrusion stretching seats 5-18 transversely stretch the battery diaphragm in the four inner clamping sliding grooves 1-9; the left sliding plate 5-8 and the right sliding plate 5-9 which move up and down in a reciprocating mode drive the two U-shaped anti-interference connecting plates 5-13, the two shaft connecting plates 5-14, the longitudinal stretching shafts 5-15 and the longitudinal stretching rollers 5-16 to move up and down in a reciprocating mode, and the longitudinal stretching rollers 5-16 perform synchronous longitudinal stretching on the battery diaphragm in the U-shaped baffle 2-3.
The seventh embodiment:
as shown in fig. 1 to 10, the sixth embodiment is further illustrated, the diaphragm extrusion fixer 6 includes a support plate 6-1, a longitudinal sliding rod 6-2, an extrusion seat 6-3, a plurality of fixing bosses 6-4, a longitudinal T-shaped sliding seat 6-5 and a compression spring 6-6, one end of the support plate 6-1 is disposed on a rear driving plate 5-5, the other end of the support plate 6-1 is fixedly connected to the longitudinal sliding rod 6-2, the longitudinal sliding rod 6-2 is slidably connected in a sliding circular hole 3-5, the lower end of the longitudinal sliding rod 6-2 is fixedly connected to the extrusion seat 6-3, the plurality of fixing bosses 6-4 are fixedly connected to the lower end of the extrusion seat 6-3, the extrusion seat 6-3 is slidably connected in an outer T-shaped sliding groove 3-2 through the longitudinal T-shaped sliding seat 6-5, the compression spring 6-6 is sleeved on the longitudinal sliding rod 6-2, and the compression spring 6-6 is arranged between the extrusion seat 6-3 and the upper fixed seat 3-4. The compressed compression spring 6-6 is always in a compressed state and extrudes the extrusion seat 6-3, the rear drive plate 5-5 which reciprocates up and down moves downwards, the supporting plate 6-1, the longitudinal sliding rod 6-2, the extrusion seat 6-3 and the plurality of fixing bosses 6-4 are longitudinally downwards moved through the longitudinal T-shaped sliding seat 6-5 under the compression of the compression spring 6-6, so that the extrusion seat 6-3 and the plurality of fixing bosses 6-4 firstly extrude and fix the battery diaphragm on the two backing plates 1-5 and are continuously extruded and fixed by the compression spring 6-6; when the rear driving plate 5-5 moves upwards to the supporting plate 6-1, the supporting plate 6-1 is lifted, the longitudinal sliding rod 6-2, the extrusion seat 6-3 and the plurality of fixed bosses 6-4 extrude the compression spring 6-6 longitudinally upwards through the longitudinal T-shaped sliding seat 6-5 under the driving of the compression spring 6-6, and the reciprocating is carried out.
The specific implementation mode is eight:
as shown in fig. 1 to 10, in the present embodiment, a seventh embodiment is further described, and the compression spring 6-6 is in a compressed state. Is convenient for fixing and driving.
A preparation method of a lithium ion battery separator comprises the following steps:
the method comprises the following steps: firstly, intermittently passing a diaphragm to be stretched through a base 1 and a longitudinal extrusion adjusting seat 2;
step two: the longitudinal and transverse stretching driver 5 is electrically connected to drive the two diaphragm extrusion fixing devices 6 to slide on the operation upper fixing seat 3 so as to extrude and fix the diaphragm through the diaphragm at the inlet and the outlet of the base 1; (ii) a
Step three: and finally, the longitudinal and transverse stretching driver 5 synchronously stretches the diaphragm in the base 1 and the longitudinal extrusion adjusting seat 2 in the transverse and longitudinal directions, after stretching and bending, the longitudinal and transverse stretching driver 5 lifts up and then lifts up the two diaphragm extrusion fixing devices 6, and then the battery diaphragm is added intermittently, and the process is repeated.
A lithium ion battery diaphragm is made of 50% of cellulose and 50% of synthetic resin.
The working principle of the lithium ion battery diaphragm preparation system provided by the invention is as follows: the diaphragm to be stretched passes through the front backing plate 1-5, the front diaphragm passing groove 1-6, the front inner clamping backing plate 1-8, the U-shaped baffle 2-3, the rear inner clamping backing plate 1-8, the rear diaphragm passing groove 1-6 and the rear backing plate 1-5 in sequence, and then intermittently passes through the feeding roller and the receiving roller; the servo motor 5-1 is electrified to drive the drive plate 5-2 and the drive shaft 5-3 to rotate, and the rear drive plate 5-5 reciprocates up and down to drive the central drive plate 5-6, the front drive plate 5-7, the left slide plate 5-8 and the right slide plate 5-9 to reciprocate up and down by the sliding of the drive shaft 5-3 in the drive groove 5-4 and the limited longitudinal sliding of the left slide plate 5-8 and the right slide plate 5-9 in the two inner rectangular slide grooves 4-9; the compressed compression spring 6-6 is always in a compressed state and extrudes the extrusion seat 6-3, the rear drive plate 5-5 which reciprocates up and down moves downwards, the supporting plate 6-1, the longitudinal sliding rod 6-2, the extrusion seat 6-3 and the plurality of fixing bosses 6-4 are longitudinally downwards moved through the longitudinal T-shaped sliding seat 6-5 under the compression of the compression spring 6-6, so that the extrusion seat 6-3 and the plurality of fixing bosses 6-4 firstly extrude and fix the battery diaphragm on the two backing plates 1-5 and are continuously extruded and fixed by the compression spring 6-6; when the rear driving plate 5-5 moves upwards to the supporting plate 6-1, the supporting plate 6-1 is lifted, the longitudinal sliding rod 6-2, the extrusion seat 6-3 and the plurality of fixed bosses 6-4 extrude the compression spring 6-6 longitudinally upwards through the longitudinal T-shaped sliding seat 6-5 under the driving of the compression spring 6-6, and the reciprocating operation is carried out in such a way; the left sliding hinged rods 5-10 and the right sliding hinged rods 5-11 are reciprocated up and down, the left sliding hinged rods 5-10 and the right sliding hinged rods 5-11 are slidingly hinged through the central sliding hinged shaft 5-12 and the transverse limiting sliding of the two limiting transverse sliding plates 5-17 in the four inner clamping sliding grooves 1-9, so that the left sliding hinged rods 5-10 and the right sliding hinged rods 5-11 push the two limiting transverse sliding plates 5-17 to simultaneously reciprocate inside and outside in the four inner clamping sliding grooves 1-9, and further the four extrusion and stretching seats 5-18 simultaneously reciprocate inside and outside; the four extrusion stretching seats 5-18 transversely stretch the battery diaphragm in the four inner clamping sliding grooves 1-9; the left sliding plate 5-8 and the right sliding plate 5-9 which move up and down in a reciprocating manner drive the two U-shaped anti-interference connecting plates 5-13, the two shaft connecting plates 5-14, the longitudinal stretching shafts 5-15 and the longitudinal stretching rollers 5-16 to move up and down in a reciprocating manner, and the longitudinal stretching rollers 5-16 perform synchronous longitudinal stretching on the battery diaphragm in the U-shaped baffle 2-3; the servo motor 5-1, the drive plate 5-2 and the drive shaft 5-3 are replaced according to the desired effect of different battery diaphragms. Further, the longitudinal positions of the two lower rotating bases 2-1 and the U-shaped baffle 2-3 are adjusted by rotating the two lower adjusting threaded rods 2-2, so that the lower adjusting threaded rods are matched with longitudinal adjustment and stretching to avoid interference; the two connecting rotating plates 4-3 are displaced up and down in the two upper fixed seats 3-4 by rotating the two upper adjusting screws 4-4, so that the up-and-down displacement of the left U-shaped sliding seat 4-1 and the right U-shaped sliding seat 4-2 is adjusted, the positions of the two longitudinal sliding plates 4-5 are further determined, and interference is avoided when longitudinal stretching is adjusted; the battery diaphragm can be automatically and synchronously stretched longitudinally and transversely, the stretching effect is uniform, and the stretching speed is high; the length and effect of the stretching can be adjusted by different battery diaphragms.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which may be made by those skilled in the art within the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a lithium ion battery diaphragm preparation system, passes through base (1), vertical extrusion regulation seat (2), operates fixing base (3), spacing sliding seat (4), vertically and horizontally tensile driver (5) and two diaphragm extrusion fixers (6) including the diaphragm, its characterized in that: vertical extrusion regulation seat (2) connect the both ends that the diaphragm passes through base (1) through screw-thread fit, fixing base (3) fixed connection is in the upper end that the diaphragm passes through base (1) in the operation, both ends around fixing base (3) are connected in the operation through screw-thread fit in spacing sliding seat (4), on fixing base (3) are gone up in the operation to tensile driver (5) fixed connection of moving about freely and quickly, stretch driver (5) sliding connection is in spacing sliding seat (4) with great ease, the lower extreme sliding connection of tensile driver (5) with great ease passes through base (1) in the diaphragm, the lower extreme clearance fit of tensile driver (5) with great ease is in vertical extrusion regulation seat (2), both ends around fixing base (3) are gone up in the operation in sliding connection respectively to two diaphragm extrusion fixers (6), two diaphragm extrusion fixers (6) all set up on tensile driver (5) with great ease.
2. The lithium ion battery separator preparation system of claim 1, characterized in that: the diaphragm passing base (1) comprises a bottom plate (1-1), two lower connecting plates (1-2), a diaphragm passing frame (1-3), two lower adjusting thread plates (1-4), two backing plates (1-5), two diaphragm passing grooves (1-6), four limiting inner sliding chutes (1-7), two inner clamping backing plates (1-8) and inner clamping sliding grooves (1-9), wherein the two lower connecting plates (1-2) are respectively and fixedly connected with the front side and the rear side of the upper end of the bottom plate (1-1), the diaphragm is fixedly connected with the two lower connecting plates (1-2) through the frame (1-3), the two ends of the diaphragm passing frame (1-3) are respectively and fixedly connected with the two lower adjusting thread plates (1-4), the front end and the rear end of the diaphragm passing frame (1-3) are respectively and fixedly connected with the two backing plates (1-5), the diaphragm passing frame comprises a diaphragm passing frame (1-3), and is characterized in that the front end and the rear end of the diaphragm passing frame (1-3) are respectively provided with two diaphragm passing grooves (1-6) which are penetrated through from front to back, the two sides of the front end and the rear end of the inner wall of the diaphragm passing frame (1-3) are respectively provided with a limiting inner sliding chute (1-7), two inner clamping backing plates (1-8) are respectively fixedly connected to the front end and the rear end of the inner wall of the diaphragm passing frame (1-3), and the left side and the right side of the upper ends of the inner clamping backing plates.
3. The lithium ion battery separator preparation system of claim 2, characterized in that: the longitudinal extrusion adjusting seat (2) comprises two lower rotating seats (2-1), two lower adjusting threaded rods (2-2) and a U-shaped baffle (2-3), the lower ends of the two lower adjusting threaded rods (2-2) are respectively connected to the two lower rotating seats (2-1) in a rotating mode, the two lower adjusting threaded rods (2-2) are respectively connected to the two lower adjusting threaded plates (1-4) in a threaded fit mode, and the two ends of the U-shaped baffle (2-3) are respectively fixedly connected to the two lower rotating seats (2-1).
4. The lithium ion battery separator preparation system of claim 3, wherein: the operation upper fixing seat (3) comprises two upper sliding seats (3-1), two outer T-shaped sliding chutes (3-2), an upper operation frame (3-3), two upper fixing seats (3-4), two upper sliding round holes (3-5), two upper threaded holes (3-6), two inner T-shaped sliding chutes (3-7), a central fixing plate (3-8) and a motor fixing seat (3-9), wherein the two upper sliding seats (3-1) are respectively and fixedly connected with the front side and the rear side of the upper end of the diaphragm passing frame (1-3), the outer T-shaped sliding chutes (3-2) are respectively arranged at the centers of the outer walls of the two upper sliding seats (3-1), the upper operation frame (3-3) is fixedly connected on the two upper sliding seats (3-1), the two upper fixing seats (3-4) are respectively and fixedly connected with the front end and the rear end of the upper operation frame (3-3), the two upper fixing seats (3-4) are respectively provided with a sliding round hole (3-5) and an upper threaded hole (3-6) which are penetrated through from top to bottom, the left side and the right side of the inner wall of the upper operating frame (3-3) are respectively provided with two inner T-shaped sliding grooves (3-7), a central fixing plate (3-8) is fixedly connected to the middle end of the inner wall of the upper operating frame (3-3), and a motor fixing seat (3-9) is fixedly connected to the central fixing plate (3-8).
5. The lithium ion battery separator preparation system of claim 4, wherein: the limiting sliding seat (4) comprises a left U-shaped sliding seat (4-1), a right U-shaped sliding seat (4-2), two connecting rotating plates (4-3), two upper adjusting screws (4-4), two longitudinal sliding plates (4-5), four U-shaped connecting rods (4-6), two inner T-shaped sliding seats (4-7), two inner fixing plates (4-8) and two inner rectangular sliding grooves (4-9), the left U-shaped sliding seat (4-1) and the right U-shaped sliding seat (4-2) are connected through the two connecting rotating plates (4-3), the two connecting rotating plates (4-3) are respectively connected in the two upper fixing seats (3-4) in a sliding manner, the two upper adjusting screws (4-4) are respectively connected on the two connecting rotating plates (4-3) in a rotating manner, the two upper adjusting screws (4-4) are respectively connected in the two upper threaded holes (3-6) through thread matching, the two longitudinal sliding plates (4-5) are respectively connected in the two inner T-shaped sliding grooves (3-7) through the two inner T-shaped sliding seats (4-7) in a longitudinal sliding mode, the two longitudinal sliding plates (4-5) are respectively fixedly connected with the left U-shaped sliding seat (4-1) and the right U-shaped sliding seat (4-2) through the four U-shaped connecting rods (4-6), the two inner fixing plates (4-8) are respectively fixedly connected in the two longitudinal sliding plates (4-5), and the two inner rectangular sliding grooves (4-9) are respectively arranged on the two inner fixing plates (4-8) in a vertically penetrating mode.
6. The lithium ion battery separator preparation system of claim 5, wherein: the longitudinal and transverse stretching driver (5) comprises a servo motor (5-1), a driving plate (5-2), a driving shaft (5-3), a driving groove (5-4), a rear driving plate (5-5), a central driving plate (5-6), a front driving plate (5-7), a left sliding plate (5-8), a right sliding plate (5-9), a plurality of left sliding hinge rods (5-10), a plurality of right sliding hinge rods (5-11), a central sliding hinge shaft (5-12), two U-shaped interference-proof connecting plates (5-13), two shaft connecting plates (5-14), a longitudinal stretching shaft (5-15), a longitudinal stretching roller (5-16), two limiting transverse sliding plates (5-17) and four extrusion stretching seats (5-18), wherein the servo motor (5-1) is fixedly connected to a motor fixing seat (3-9), the driving plate (5-2) is fixedly connected to a transmission shaft of the servo motor (5-1), the driving shaft (5-3) is fixedly connected to one side of the driving plate (5-2), the driving shaft (5-3) is connected into the driving groove (5-4) in a sliding mode through a sliding block, the driving groove (5-4) is arranged on the rear driving plate (5-5), the rear driving plate (5-5) and the front driving plate (5-7) are fixedly connected to the front end and the rear end of the central driving plate (5-6) respectively, the left sliding plate (5-8) and the right sliding plate (5-9) are fixedly connected to the left end and the right end of the central driving plate (5-6) respectively, the left sliding plate (5-8) and the right sliding plate (5-9) are longitudinally connected into the two inner rectangular sliding grooves (4-9, the upper ends of a plurality of left sliding hinge rods (5-10) are hinged on a left sliding plate (5-8), the upper ends of a plurality of right sliding hinge rods (5-11) are hinged on a right sliding plate (5-9), a plurality of right sliding hinge rods (5-11) and a plurality of left sliding hinge rods (5-10) are arranged in a staggered manner, a plurality of right sliding hinge rods (5-11) and a plurality of left sliding hinge rods (5-10) are hinged on a central sliding hinge shaft (5-12) in a sliding manner, two U-shaped interference-proof connecting plates (5-13) are respectively and fixedly connected on the left sliding plate (5-8) and the right sliding plate (5-9), the left sliding plate (5-8) and the right sliding plate (5-9) are respectively and fixedly connected with two shaft connecting plates (5-14) through two U-shaped interference-proof connecting plates (5-13), two ends of a longitudinal stretching shaft (5-15) are respectively fixedly connected with two shaft connecting plates (5-14), a longitudinal stretching roller (5-16) is fixedly connected on the longitudinal stretching shaft (5-15), the longitudinal stretching roller (5-16) is in clearance fit in a U-shaped baffle (2-3), the lower ends of a plurality of right sliding hinged rods (5-11) are respectively fixedly connected on a left limiting transverse sliding plate (5-17), the lower ends of a plurality of left sliding hinged rods (5-10) are respectively fixedly connected on a right limiting transverse sliding plate (5-17), two limiting transverse sliding plates (5-17) are respectively and slidably connected in limiting inner sliding chutes (1-7), four extrusion stretching seats (5-18) are respectively and fixedly connected on the two limiting transverse sliding plates (5-17), the four extrusion drawing seats (5-18) are respectively in clearance fit in the four inner clamping sliding grooves (1-9).
7. The lithium ion battery separator preparation system of claim 6, wherein: the diaphragm extrusion fixer (6) comprises a supporting plate (6-1), a longitudinal sliding rod (6-2), an extrusion seat (6-3), a plurality of fixing bosses (6-4), a longitudinal T-shaped sliding seat (6-5) and a compression spring (6-6), one end of the supporting plate (6-1) is arranged on a rear driving plate (5-5), the other end of the supporting plate (6-1) is fixedly connected on the longitudinal sliding rod (6-2), the longitudinal sliding rod (6-2) is slidably connected in a sliding round hole (3-5), the lower end of the longitudinal sliding rod (6-2) is fixedly connected on the extrusion seat (6-3), a plurality of fixing bosses (6-4) are fixedly connected at the lower end of the extrusion seat (6-3), the extrusion seat (6-3) is slidably connected in an outer T-shaped sliding groove (3-2) through the longitudinal T-shaped sliding seat (6-5), the compression spring (6-6) is sleeved on the longitudinal sliding rod (6-2), and the compression spring (6-6) is arranged between the extrusion seat (6-3) and the upper fixed seat (3-4).
8. The lithium ion battery separator preparation system of claim 7, wherein: the compression spring (6-6) is in a compressed state.
9. The method for preparing a battery separator by using the lithium ion battery separator preparation system of claim 8, wherein: the method comprises the following steps:
the method comprises the following steps: the diaphragm to be stretched intermittently passes through the base (1) and the longitudinal extrusion adjusting seat (2);
step two: the longitudinal and transverse stretching driver (5) is electrically connected to drive the two diaphragm extrusion fixers (6) to slide on the operation upper fixing seat (3) to extrude and fix the diaphragm through the diaphragm at the inlet and the outlet of the base (1); (ii) a
Step three: and finally, the longitudinal and transverse stretching driver (5) synchronously stretches the diaphragm in the base (1) and the longitudinal extrusion adjusting seat (2), the longitudinal and transverse stretching driver (5) lifts up the two diaphragm extrusion fixing devices (6) after stretching and bending, and the battery diaphragm is intermittently added in such a way that the diaphragm is repeatedly stretched.
10. A battery separator prepared using the lithium ion battery separator preparation system of claim 8, wherein: the material is 50% cellulose and 50% synthetic resin.
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